This name is a synonym of Achillea maritima subsp. atlantica (Chrtek & B.Slavík) Ehrend. & Y.P.Guo.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6AA6F8E7-D62C-4C88-B3E3-7AC8102D83DD) with original publication details: 244 1993.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:973612-1.
This name was in version 1 of The Plant List, record gcc-55992.